fix(frontend): align header checkin width

assets/css/build/public.css

@@ -2876,6 +2876,13 @@ main.container,
   color: var(--color-ink-2);
 }
 
+/* Keep the block CTA flush with the VIP row's padded inner width. */
+.aksrt-header-userbox > .mt6.em09 > .but.block {
+  display: block;
+  box-sizing: border-box;
+  width: 100%;
+}
+
 /* Top-nav bell badge (the card itself uses the legacy badge.top element). */
 .aksrt-nav-notification .aksrt-notification-badge {
   position: absolute;